/*
 * mem.h
 */

/*
   Copyright 2007 Corey Tabaka

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

#ifndef __MEM_H__
#define __MEM_H__

typedef struct {
	unsigned offset;
	unsigned segment;
} fp_t;

#define FP_TO_LINEAR(fp) ( ((long) fp.segment << 4) + (long) fp.offset )

void farstorew(unsigned segment, int *offset, int value);
int farreadw(unsigned segment, int *offset);

void farstoreb(unsigned segment, int *offset, char value);
char farreadb(unsigned segment, int *offset);

void farstored(unsigned segment, int *offset, long value);
long farreadd(unsigned segment, int *offset);

long linearAddress(void *);
#define LINEAR(p) ((long) linearAddress(p))

void *memcpy(void *d, void *s, unsigned int len);

#endif
